Oxydemeton-methyl

Agricultural uses on vegetables, fruits, and ornamentals; some uses have been canceled or banned in several countries. Can appear as residues on imported produce and in air or water near treated fields [1][2].

Mixing, loading, or spraying pesticides; touching recently treated plants or soil; breathing spray drift; eating contaminated produce; drinking contaminated water (less common) [1][3].

Symptoms include headache, nausea, sweating, salivation, muscle twitching, breathing trouble, and seizures; severe poisoning can be fatal. Repeated exposure can depress cholinesterase and cause neurologic effects [1][3].

Farmworkers and applicators; children; pregnant people; people with cholinesterase variants or on cholinesterase‑inhibiting medicines [1][3].

Workers—follow labels, use PPE (chemical‑resistant gloves, coveralls, eye protection, respirator as required), closed systems, and cholinesterase monitoring; observe restricted‑entry intervals. Public—avoid fields during/after spraying, wash/peel produce, heed local advisories, and seek medical care if symptoms occur [1][2][3].